A Leading climate expert believes the latest UN warning on man-made climate change is a “big gamble” as temperatures have not increased since 1997.

Dr Benny Peiser, of Lord Lawson’s Global Warming Policy Foundation, argued today’s report from the Intergovernmental Panel on Climate Change (IPCC) is based on flawed models which do not give an accurate prediction of a future change in temperature.
The IPCC’s report shows experts are 95 per cent certain humans are causing global warming, and that is leading to a range of impacts from melting glaciers to more frequent extreme weather events.
Numerous groups, including Oxfam, Greenpeace and the UK Government, have seized on the report’s conclusions as evidence human behaviour is changing the Earth’s climate.
But Dr Peiser does not doubt the climate has changed, but the report has failed to explain why temperatures have not risen since 1997.
He said: “The IPCC are gambling that temperatures will rise soon.
“My own reading of the report is it’s more a political message than a scientific one.
“They ignore the fact that their models have a problem, and they are unable to say when the temperature will start rising again.
“That is a gamble.
“There are scientists who say it might be 10 to 20 years before another rise.”

The IPCC’s report has been published after line-by-line scrutiny by scientists and policymakers, and found it is “extremely likely”, or 95 per cent certain, that the majority of the warming since the 1950s is down to human activity.
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